Comment by clort

Surely the number of neurons is not the whole story. Human brains have approximately 86 billion and are almost definitely conscious, but there are many other animals with a lot fewer (gorilla: 34 billion, dog: 2-3 billion, guinea pig: 240 million) which appear to be conscious also.

https://en.wikipedia.org/wiki/List_of_animals_by_number_of_n...